Analysis of 47 Pesticides in Cannabis for High Throughput Analysis: Traditional dSPE vs. Positive Pressure dSPE in a 96-well Plate
22 Nov 2016Cannabis markets are relatively new and vary significantly by state when it comes to the regulation of pesticides and mycotoxins, as well as uniform testing methods for potency. Therefore, quality control methods are necessary to ensure product safety and appropriate cannabinoid profiling. This study examines using a QuEChERS extraction approach coupled with either traditional dSPE clean-up versus UCT’s dSPE clean-up in well-plate format and Hamilton’s MPE2 Positive Pressure Extraction/Evaporation Module for the analysis of 47 pesticides in marijuana.
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ChloroFiltr® for QuEChERS dSPE Clean-Up
UCT, Inc.Chlorophyll in QuEChERS extracts must be removed to reduce potential instrument downtime. This is removed from extracts using graphitized carbon black (GCB) Unfortunately, GCB also removes planar analytes reducing analytical accuracy. ChloroFiltr®, used in place of GCB in dSPE tubes, removes unwanted chlorophyll without removing pesticides or environmental analytes. No change in procedure are required.